regrename.c (struct du_chain): Use a bitfield for reg_class.
2003-04-09 Dan Nicolaescu <dann@ics.uci.edu> Zack Weinberg <zack@codesourcery.com> * regrename.c (struct du_chain): Use a bitfield for reg_class. * cse.c (struct qty_table_elem, struct table_elt, struct set): Use bitfields for fields holding enum rtx_code or enum machine_mode values. Add comments explaining size choices. From-SVN: r65419
This commit is contained in:
Dan Nicolaescu
Zack Weinberg
parent
2363a51aee
commit
496324d0a7
@ -1,3 +1,11 @@
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2003-04-09 Dan Nicolaescu <dann@ics.uci.edu>
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Zack Weinberg <zack@codesourcery.com>
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* regrename.c (struct du_chain): Use a bitfield for reg_class.
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* cse.c (struct qty_table_elem, struct table_elt, struct set):
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Use bitfields for fields holding enum rtx_code or
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enum machine_mode values. Add comments explaining size choices.
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2003-04-09 Alexandre Oliva <aoliva@redhat.com>
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* config/fp-bit.c (unpack_d): Handle pair of doubles with
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@ -107,9 +115,9 @@
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2003-04-08 Aldy Hernandez <aldyh@redhat.com>
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* config/rs6000/rs6000.c (rs6000_init_builtins): Set opaque types
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regardless of architecture.
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(spe_init_builtins): Change V2SI and V2SF types to opaque types.
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* config/rs6000/rs6000.c (rs6000_init_builtins): Set opaque types
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regardless of architecture.
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(spe_init_builtins): Change V2SI and V2SF types to opaque types.
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2003-04-08 J"orn Rennecke <joern.rennecke@superh.com>
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@ -137,11 +145,11 @@ Tue Apr 8 11:12:07 CEST 2003 Jan Hubicka <jh@suse.cz>
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* doc/sourcebuild.texi: Likewise.
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2003-04-07 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
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Richard Henderson <rth@redhat.com>
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Richard Henderson <rth@redhat.com>
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PR c/9516
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* expr.c (safe_from_p): Rearrange to avoid deep recursion in
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favour of looping and tail recursion for TREE_LIST and binops.
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PR c/9516
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* expr.c (safe_from_p): Rearrange to avoid deep recursion in
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favour of looping and tail recursion for TREE_LIST and binops.
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2003-04-08 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
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@ -156,9 +164,9 @@ Tue Apr 8 11:12:07 CEST 2003 Jan Hubicka <jh@suse.cz>
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2003-04-07 Richard Henderson <rth@redhat.com>
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PR opt/8634
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* function.c (purge_addressof_1): Don't try arithmetics for
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unchanging memories.
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PR opt/8634
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* function.c (purge_addressof_1): Don't try arithmetics for
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unchanging memories.
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2003-04-07 Janis Johnson <janis187@us.ibm.com>
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@ -177,13 +185,13 @@ Mon Apr 7 22:19:59 CEST 2003 Jan Hubicka <jh@suse.cz>
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2003-04-07 Aldy Hernandez <aldyh@redhat.com>
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* config/rs6000/rs6000.c (rs6000_common_init_builtins): Rename all
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V2SI_type_node to opaque_V2SI_type_node. Rename all
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V2SF_type_node to opaque_V2SF_type_node.
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(rs6000_init_builtins): Define opaque_V2SI_type_node and
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opaque_V2SF_type_node.
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(is_ev64_opaque_type): The types opaque_V2SI_type_node and
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opaque_V2SF_type_node are opaque types.
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* config/rs6000/rs6000.c (rs6000_common_init_builtins): Rename all
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V2SI_type_node to opaque_V2SI_type_node. Rename all
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V2SF_type_node to opaque_V2SF_type_node.
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(rs6000_init_builtins): Define opaque_V2SI_type_node and
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opaque_V2SF_type_node.
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(is_ev64_opaque_type): The types opaque_V2SI_type_node and
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opaque_V2SF_type_node are opaque types.
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2003-04-07 J"orn Rennecke <joern.rennecke@superh.com>
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@ -238,27 +246,27 @@ Mon Apr 7 22:19:59 CEST 2003 Jan Hubicka <jh@suse.cz>
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2003-04-07 Aldy Hernandez <aldyh@redhat.com>
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* doc/invoke.texi (RS/6000 and PowerPC Options): Document
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-mfloat-gprs.
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* doc/invoke.texi (RS/6000 and PowerPC Options): Document
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-mfloat-gprs.
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* config/rs6000/rs6000.c: Delete rs6000_fprs.
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Declare rs6000_float_gprs.
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Declare rs6000_float_gprs_string.
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(rs6000_parse_float_gprs_option): New.
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(rs6000_override_options): Genericize rs6000_parse_* calls to use
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rs6000_parse_yes_no_option.
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Change check for cpu=8540, to use TARGET_E500.
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(rs6000_parse_isel_option): Delete.
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(rs6000_parse_spe_option): Delete.
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(rs6000_parse_vrsave_option): Delete.
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* config/rs6000/rs6000.c: Delete rs6000_fprs.
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Declare rs6000_float_gprs.
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Declare rs6000_float_gprs_string.
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(rs6000_parse_float_gprs_option): New.
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(rs6000_override_options): Genericize rs6000_parse_* calls to use
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rs6000_parse_yes_no_option.
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Change check for cpu=8540, to use TARGET_E500.
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(rs6000_parse_isel_option): Delete.
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(rs6000_parse_spe_option): Delete.
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(rs6000_parse_vrsave_option): Delete.
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* config/rs6000/rs6000.h: Rename rs6000_fprs to rs6000_float_gprs.
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Define rs6000_float_gprs_string.
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(TARGET_OPTIONS): Add rs6000_float_gprs option.
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* config/rs6000/rs6000.h: Rename rs6000_fprs to rs6000_float_gprs.
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Define rs6000_float_gprs_string.
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(TARGET_OPTIONS): Add rs6000_float_gprs option.
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* config/rs6000/eabi.h (TARGET_FPRS): Change to use rs6000_float_gprs.
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* config/rs6000/eabi.h (TARGET_FPRS): Change to use rs6000_float_gprs.
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* config/rs6000/eabispe.h: Set rs6000_float_gprs.
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* config/rs6000/eabispe.h: Set rs6000_float_gprs.
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Mon Apr 7 14:36:24 CEST 2003 Jan Hubicka <jh@suse.cz>
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16
gcc/cse.c
16
gcc/cse.c
@ -251,8 +251,10 @@ struct qty_table_elem
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rtx comparison_const;
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int comparison_qty;
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unsigned int first_reg, last_reg;
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enum machine_mode mode;
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enum rtx_code comparison_code;
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/* The sizes of these fields should match the sizes of the
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code and mode fields of struct rtx_def (see rtl.h). */
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ENUM_BITFIELD(rtx_code) comparison_code : 16;
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ENUM_BITFIELD(machine_mode) mode : 8;
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};
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/* The table of all qtys, indexed by qty number. */
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@ -462,7 +464,9 @@ struct table_elt
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struct table_elt *related_value;
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int cost;
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int regcost;
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enum machine_mode mode;
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/* The size of this field should match the size
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of the mode field of struct rtx_def (see rtl.h). */
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ENUM_BITFIELD(machine_mode) mode : 8;
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char in_memory;
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char is_const;
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char flag;
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@ -4712,8 +4716,10 @@ struct set
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/* Nonzero if the SET_SRC contains something
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whose value cannot be predicted and understood. */
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char src_volatile;
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/* Original machine mode, in case it becomes a CONST_INT. */
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enum machine_mode mode;
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/* Original machine mode, in case it becomes a CONST_INT.
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The size of this field should match the size of the mode
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field of struct rtx_def (see rtl.h). */
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ENUM_BITFIELD(machine_mode) mode : 8;
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/* A constant equivalent for SET_SRC, if any. */
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rtx src_const;
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/* Original SET_SRC value used for libcall notes. */
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@ -51,7 +51,7 @@ struct du_chain
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rtx insn;
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rtx *loc;
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enum reg_class class;
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ENUM_BITFIELD(reg_class) class : 16;
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unsigned int need_caller_save_reg:1;
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unsigned int earlyclobber:1;
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};
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